CN216148234U - Operation microscope device - Google Patents

Abstract

The utility model provides an operating microscope device which comprises a support, a first rotating arm, a first rotating assembly and a mirror body, wherein the first rotating arm comprises a first cylindrical structure and a second cylindrical structure, the first rotating assembly is arranged on the support, one end of the first cylindrical structure is fixedly connected onto the first rotating assembly, the other end of the first cylindrical structure is integrally connected with the second cylindrical structure, the second rotating assembly is accommodated in the second cylindrical structure, the mirror body is rotatably connected with the second rotating assembly, a rotating shaft of the first rotating assembly is coaxial with the central axis of the first cylindrical structure, the first rotating arm rotates by taking the central axis of the first cylindrical structure as a rotating shaft, the first rotating arm drives the mirror body to rotate, and the axis of the rotating shaft of the first rotating arm is coaxial with a main optical axis of the mirror body. The utility model designs the main optical axis of the microscope and the rotating shaft of the first rotating component coaxially: when the doctor sits in a posture and moves horizontally, the diagnosis and treatment area can be seen clearly at multiple angles without readjusting the microscope.

Description

Operation microscope device

Technical Field

The utility model relates to the field of microscopes, in particular to an operating microscope device.

Background

When the doctor is adopting the operation microscope to diagnose the in-process of tooth for the patient, the patient is for lying the state, and the doctor can observe the tooth of multi-angle positions such as patient left side, right side as required. The prior art surgical microscope has the following design defects: 1. when the teeth of the patient at different angles are diagnosed and treated, the position of the microscope needs to be changed, and the observation posture of the doctor is also changed in multiple directions; 2. although the prior art can realize diversified observation through multi-angle adjustment microscope, when the whole horizontal migration of doctor's health to patient's one side, the microscope also changes along with rotating, and the microscope position leads to the target area not in objective observation scope, and the doctor need readjust the microscope, and the flexibility ratio that the microscope was adjusted is not high, and the doctor observes the body and feels not good. 3. When the doctor just operates patient's head, need the health to lean forward and go to observe the eyepiece, the handle is nearer apart from the doctor's health simultaneously, and the arm crookedness is great when the doctor grips the handle, leads to doctor's health fatigue easily, and whole experience is relatively poor.

Therefore, there is a need to provide a new solution.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the utility model discloses a method, which comprises the following specific technical scheme:

the utility model provides an operating microscope device which comprises a support, a first rotating arm, a first rotating assembly and a mirror body, wherein the first rotating arm comprises a first cylindrical structure and a second cylindrical structure, the first rotating assembly is arranged on the support, one end of the first cylindrical structure is fixedly connected onto the first rotating assembly, the other end of the first cylindrical structure is integrally connected with the second cylindrical structure, the second rotating assembly is accommodated in the second cylindrical structure, the mirror body is rotatably connected with the second rotating assembly, a rotating shaft of the first rotating assembly is coaxial with the central axis of the first cylindrical structure, the first rotating arm rotates by taking the central axis of the first cylindrical structure as a rotating shaft, the first rotating arm drives the mirror body to rotate, and the axis of the rotating shaft of the first rotating arm is coaxial with a main optical axis of the mirror body.

The utility model has the following beneficial effects:

the operation microscope provided by the utility model has high operation flexibility, and the main optical axis of the microscope and the rotating shaft of the first rotating assembly are coaxially designed: when the doctor sits in a whole horizontal movement, the doctor holds the handle to enable the microscope body to rotate circumferentially around the rotating shaft, the main optical shaft and the rotating shaft still keep coaxial at the moment, and the doctor can see the diagnosis and treatment area clearly at multiple angles without readjusting the microscope.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the construction of a surgical microscope of the present invention at a first viewing angle;

FIG. 2 is a schematic view of the surgical microscope of the present invention at a second viewing angle;

FIG. 3 is a schematic view of the surgical microscope of the present invention at a third viewing angle;

FIG. 4 is a schematic view of the surgical microscope of the present invention at a fourth viewing angle;

FIG. 5 is a schematic view of the surgical microscope of the present invention at a fifth viewing angle;

FIG. 6 is a schematic view of the construction of the scope body of the surgical microscope of the present invention;

FIG. 7 is an exploded view of a portion of a surgical microscope in accordance with the present invention;

FIG. 8 is a cross-sectional schematic view of the first connecting arm of the present invention in engagement with a bracket;

FIG. 9 is a cross-sectional schematic view of a second rotating assembly of the present invention;

FIG. 10 is a cross-sectional schematic view of a third pivot assembly of the present invention from a first perspective;

FIG. 11 is a schematic view, partly in section, of the third rotation assembly of FIG. 10 from a second perspective;

FIG. 12(a) is a schematic view of a third rotating assembly of the present invention from a first viewing angle in an initial state;

FIG. 12(b) is a schematic view of the third rotating assembly of the present invention from a second viewing angle in an initial state;

FIG. 13(a) is a schematic view of a first viewing angle effect of the third rotating assembly rotating a first angle according to the present invention;

FIG. 13(b) is a schematic view of a second viewing angle effect of the third rotating assembly rotating by a first angle according to the present invention;

FIG. 14(a) is a schematic view of a first viewing angle effect of the third rotating assembly rotating by a second angle according to the present invention;

FIG. 14(b) is a schematic view showing the second viewing angle effect of the third rotating assembly rotating by the second angle according to the present invention;

FIG. 15 is a schematic view of the surgical microscope attachment electronics of the present invention;

FIG. 16(a) is a schematic operational view of a surgical microscope of the present invention;

FIG. 16(b) is a schematic view of the surgical microscope of FIG. 16 (a);

FIG. 17 is a schematic view of a surgical microscope of the present invention shown from a first perspective in accordance with another embodiment;

FIG. 18 is a schematic view of the surgical microscope of the present invention shown from a second viewing angle in accordance with another embodiment;

FIG. 19 is a schematic view of the mirror body of FIG. 18 rotated a first angle;

fig. 20 is a schematic view of the mirror body of fig. 18 rotated by a second angle.

Wherein, 1-bracket, 10-first rotating component, 11-connecting rod seat, 12-boss, 13-combined bearing, 14-needle bearing, 15-first hoop, 16-first locking knob, 17-decorative cover, 18-thread ring, 19-locking rod, 2-first rotating arm, 21-first cylindrical structure, 211-connecting shaft, 212-second locking knob, 22-second cylindrical structure, 220-second rotating component, 221-balance shaft, 222-bearing, 223-worm wheel, 224-worm, 225-coil spring, 226-screw, 3-lens body, 31-second rotating arm, 32-lens body, 321-ocular observation component, 322-third locking knob, 3221-locking rod, 3222-a second hoop, 3223-a fixed seat, 3224-a pressing ring, 323-a lens, 324-a third rotating assembly, 3241-a rotating seat, 3242-a connecting seat, 3243-a pentaprism, 3244-a decorative cover, 3245-a binocular viewing system, 3246 light splitting prism, 33-electronic equipment, 34-electronic equipment, 35-a handle, 4-an axis of a rotating shaft of the first rotating arm, 5-a main optical shaft, 4241-a rotating ring and 4242-a rotating shaft seat.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 5, the surgical microscope of the present invention includes a support 1, a first rotating arm 2, a scope 3, a first rotating assembly 10, a second rotating assembly 220, a third rotating assembly 324, a first locking knob 16, a second locking knob 212, and a third locking knob 322, wherein one end of the first rotating arm 2 is rotatably connected to the support 1, the other end of the first rotating arm 2 is connected to the scope 3, the first rotating arm 2 rotates with a central axis of the first rotating arm 2 as a rotating axis, the first rotating arm 2 drives the scope 3 to rotate, and an axis 4 of the rotating axis of the first rotating arm is coaxial with a main optical axis 5 of the scope 3. In another embodiment, the axis 4 of the rotation axis of the first rotation arm is substantially coaxial with the main optical axis 5 of the mirror body 3.

As shown in fig. 6 to 8, the first rotating arm 2 includes a first cylindrical structure 21 and a second cylindrical structure 22 connected to the first cylindrical structure 21, one end of the first cylindrical structure 21 has an opening, the other end of the first cylindrical structure 21 is integrally connected to the second cylindrical structure 22, and the rotating shaft of the first rotating assembly is coaxial with the central axis of the first cylindrical structure 21. The central axis of the first cylindrical structure 21 is perpendicular to the central axis of the second cylindrical structure 22, and the central axis of the first cylindrical structure 21 is coaxial with the central axis of the first rotating arm 2, so that when the first cylindrical structure 21 is rotated, the visual field of the operator is not changed, and only the visual field angle is changed. In one embodiment, the axis 4 of the rotating shaft of the first rotating arm is vertically arranged, the main optical axis 5 of the mirror body 3 is near and coaxial with the axis 4 of the rotating shaft of the first rotating arm, which means that the main optical axis 5 is parallel to but not coincident with the axis of the rotating shaft of the first rotating arm, and the distance between the main optical axis 5 of the mirror body and the axis of the rotating shaft of the first rotating arm is greater than 0 and equal to or less than 30 mm. In a further embodiment, the main optical axis 5 of the mirror body 3 is close and coaxial with the axis of the rotating shaft of the first rotating arm, which means that the main optical axis 5 intersects with the axis of the rotating shaft of the first rotating arm, and the included angle between the main optical axis 5 of the mirror body and the axis of the rotating shaft of the first rotating arm is greater than 0 ° and less than or equal to 10 °. When the distance between the main optical axis 5 of the mirror body and the axis of the rotating shaft of the first rotating arm is greater than 0 and less than or equal to 30mm, or when the included angle between the main optical axis 5 of the mirror body and the axis of the rotating shaft of the first rotating arm is greater than 0 and less than or equal to 10 degrees, the observation visual field of an operator is changed when the first rotating arm is rotated, but the observation effect is not influenced.

With continued reference to fig. 1 to 5, the arrows shown in fig. 1 and 2 are pointing in the direction of the first rotation arm, and the arrows in fig. 3 and 5 are pointing in the direction of the first rotation arm to drive the mirror body. The axis 4 of the rotating shaft of the first rotating arm 2 is coaxially overlapped with the main optical axis 5 of the lens, so that when the first rotating arm 2 is rotated, the visual field of the lens 323 is only changed in angle and is not changed, and therefore, a doctor does not need to repeatedly adjust the focal length of the microscope when changing the angle of the lens 323, and the working efficiency is greatly improved. And the utility model adopts the high-precision composite bearing 13 and the needle bearing 14, so that the coaxiality is high when the adjustment is rotated, the picture jitter is small, and the rotation is freely adjusted.

As shown in fig. 7 and 8, the first rotating assembly 10 includes a link base 11, a connecting shaft 211, a combination bearing 13, a needle bearing 14, a first anchor ear 15 and a first locking knob 16. The connecting rod seat 11 is fixedly connected to the support 1, the connecting rod seat 11 is provided with an inner cavity and a through hole communicated with the inner cavity, and the through hole is used for the first locking knob 16 to pass through. The inner cavity wall is formed with a boss 12, and the through hole is opened at one side of the connecting rod seat 11. The connecting shaft 211 is accommodated in the inner cavity, and two ends of the connecting shaft 211 extend out of the inner cavity. One end of the connecting shaft 211 is fixedly connected to the inside of the first rotating arm 2 through an opening, and the other end of the connecting shaft 211 near the outer side of the end has a bearing groove (not shown). The needle bearing 14 is sleeved on the connecting shaft 211 and fixed in the inner cavity, and the needle bearing 14 is close to one end of the connecting shaft 211. The combined bearing 13 is sleeved on the connecting shaft 211 and fixed in the inner cavity, and the combined bearing is located on the outer side of the bearing groove. The first hoop 15 is sleeved on the connecting shaft 211, the first hoop 15 is located between the needle bearing 14 and the combined bearing 13, the first hoop 15 is located at the through hole, the first hoop 15 is close to the combined bearing 13, an accommodating groove is formed between the first hoop 15 and the needle bearing 14, and the boss 12 is clamped in the accommodating groove; the boss 12 can block the first anchor ear 15 from moving on the connecting shaft 211.

The first locking knob 16 is a damping knob, the first locking knob 16 is configured to abut against or be away from the first anchor ear 15 from the outer side of the link seat through a locking rod 19 to lock or unlock the first rotating arm, the connecting shaft 211 is configured to be capable of rotating in the combination bearing 13 and the needle bearing 14 by using the central axis of the first tubular structure 21 as a rotating shaft, the connecting shaft 211 drives the mirror body 3 to rotate, when the connecting shaft 211 is prevented from rotating, the locking rod of the first locking knob 16 abuts against the first anchor ear 15, and the connecting shaft 211 is locked. The first rotating assembly 10 further includes a threaded ring 18, the threaded ring 18 is fixedly sleeved on the other end of the connecting shaft 211, and the threaded ring 18 is close to the combined bearing 13.

Because when first locking turn button passes through the connecting axle of check lock lever locking, the check lock lever is the connecting axle of direct conflict among the prior art, this just leads to directly appearing the dent with the contact department of the check lock lever of first locking turn button on the connecting axle to lead to the insecure phenomenon of locking. Therefore, the first hoop 15 is sleeved on the connecting shaft 211, when the first locking knob locks the connecting shaft through the locking rod, the locking rod directly abuts against the first hoop 15, and the first hoop 15 tightly holds the connecting shaft 211, so that locking is firmer, the connecting shaft cannot be damaged, rotation precision is improved, and the service life of a microscope is prolonged. The first rotating assembly of the utility model adopts the high-precision composite bearing 13 and the needle bearing 14, so that when the adjusting and rotating are carried out, the coaxiality of the axis of the rotating shaft of the first rotating assembly and the main optical axis of the lens is high, the picture of the microscope has small jitter and the rotating and adjusting are free.

As shown in fig. 6 to 9, the scope body 3 includes a second rotating arm 31 and a scope body 32, one end of the second rotating arm 31 is rotatably connected to the other end of the first rotating arm 2, specifically, one end of the second rotating arm 31 is rotatably connected to one end of the second cylindrical structure 22, the other end of the second rotating arm 31 is fixedly connected to the scope body 32, the second rotating arm 31 is configured to perform a first swing by using the central axis of the second cylindrical structure 22 as a rotating shaft, and the second rotating arm 31 drives the scope body 32 to perform the first swing.

As shown in fig. 9, the second rotating assembly 220 is accommodated in the second cylindrical structure 22, and the second rotating assembly 220 includes a balance shaft 221, a bearing 22, a worm wheel 223, a worm 224, and a coil spring 225 capable of providing restoring force.

One end of the balance shaft 221 is fixedly connected with one end of the second rotating arm 31, and the axial direction of the balance shaft 221 is coaxial with the central axis of the second cylindrical structure 22. The bearings 22 are respectively sleeved at two ends of the balance shaft 221. The inner side of the coil spring 225 is fixedly sleeved on the balance shaft 221, and the outer side of the coil spring 225 is fixedly connected with the worm wheel 223. The worm wheel 223 is sleeved on the balance shaft 221 and located on the outer side of the coil spring 225, the worm 224 is in meshed transmission with the worm wheel 223, the worm 224 rotates, the worm 224 drives the worm wheel 223 to rotate around the balance shaft 221 by taking the central axis of the balance shaft 221 as an axis, and the worm wheel 223 drives the outer side of the coil spring 225 to rotate so as to adjust the torque of the coil spring 225. The balance shaft 221 is configured to rotate to drive the second rotating arm 31 to rotate, when the balance shaft 221 rotates, the second rotating arm 31 is driven to rotate, the second rotating arm 31 drives the mirror body 32 to perform a first swing to generate a first torque, meanwhile, the balance shaft 221 drives the inner side of the coil spring 225 to rotate reversely, the coil spring 225 is stressed to generate a second torque, and the direction of the second torque is opposite to that of the first torque to offset the first torque. The second rotating arm 31 of the present invention swings back and forth 40 ° around the central axis of the balance shaft 221, and in order to balance the torque generated by the lens 323, a coil spring 225 is added to the balance shaft 221 to balance the torque generated by the swinging of the lens 323, so that the user can swing the lens 323 more easily without forcibly opposing the torque generated by the swinging of the lens 323 when using the lens driving device. When the user adds an accessory resulting in a change in the lens center of gravity, a new lens weight can also be rebalanced by changing the wrap spring 225 torque through the worm gear mechanism. The second locking knob 212 is provided on the first rotary arm 2, and the second locking knob 212 is configured to lock the rotation of the second rotary arm 31 and unlock the second rotary arm 31.

The scope body 32 includes an eyepiece viewing assembly 321, a third rotation assembly 324, and a lens 323.

As shown in fig. 10 and 11, the third rotating assembly 324 includes a fixed seat 3223, a rotating seat 3241, a connecting seat 3242, a clamping ring 3224, and a second anchor ear 3222. The other end of the second rotating arm 31 is fixed on the upper side of the fixed seat 3223, and the eyepiece observing assembly 321, the fixed seat 3223 and the rotating seat 3241 are sequentially and rotatably connected along the horizontal observing direction of the eyepiece. The clamping ring 3224 is sleeved in the fixing seat 3223, and the second hoop 3222 is sleeved outside the clamping ring 3224. The connection seat 3242 is fixedly connected to a lower side of the rotation seat 3241, and the lens 323 is fixedly connected to the connection seat 3242. The central axis of the fixed seat 3223 is the same as the horizontal observation direction of the eyepiece, the main optical axis of the lens 323 is coaxial with the axis of the rotating shaft of the first rotating arm 2, the rotating seat 3241 is configured to perform second swing by using the central axis of the fixed seat 3223 as the rotating shaft, and the rotating seat 3241 drives the lens 323 to perform second swing. The third locking knob 322 is disposed on the fixing seat 3223, and the third locking knob 322 is configured to lock or unlock the rotating seat 3241 by abutting against or moving away from the second anchor ear 3222, respectively. The third rotating assembly 324 further includes a decorative cover 3244 and a pentaprism 3243, the pentaprism is located in the rotating base, and the decorative cover covers the upper side of the rotating base.

It should be noted that, in the present invention, the first anchor ear 15, the second anchor ear 3222 and the third anchor ear have the same principle and the same or similar structure, and are not described herein again.

The fixing seat 3223 of the third rotating assembly 324 is connected with the eyepiece observing assembly 321 in the horizontal direction, so that the horizontal operating space and distance are increased, and a doctor can complete the operation without leaning forward on the upper body under a more reasonable ergonomic posture. As shown in fig. 13, in the horizontal observing direction of the ocular lens, the horizontal distance between the central axis of the first cylindrical structure and the observing position of the ocular lens is 180mm-300mm, and preferably, the horizontal distance between the central axis of the first cylindrical structure and the observing position of the ocular lens is 260 mm.

As shown in fig. 12(a) to 14(b), when the doctor needs to manipulate the left and right inclination of the microscope to observe the patient's oral cavity teeth, the third rotating assembly 324 can tilt the lens 323 without changing the binocular position, and can swing within an angle of ± 23 ° left and right, and the swing posture of the lens 323 can be locked by the third locking knob 322. In another embodiment, the left-right tilt swing angle of the lens 323 is not limited.

As shown in fig. 16(a), the first swing is a forward and backward swing of the scope body 32, and the second swing is a leftward and rightward swing of the lens 323, with the current operation observation position of the doctor as an initial position. As shown in fig. 2 and 16, the included angles between the main optical axis 5 of the forward-backward swinging lens body 32 and the axis 4 of the rotating shaft of the first rotating arm 2 are 0 to 90 °, and the included angles between the main optical axis 5 of the leftward-rightward swinging lens 323 and the axis 4 of the rotating shaft of the first rotating arm 2 are 0 to 23 °.

Referring to fig. 15, along a direction perpendicular to a horizontal viewing direction of the eyepiece, two opposite sides of the fixing seat 3223 are respectively connected with a beam splitter, and the beam splitter is connected with an electronic accessory. The two sides of the fixing seat 3223 of the third rotating assembly 324 of the present invention are provided with light splitting systems, which can increase the use possibility of the accessory equipment and increase the possibility of the doctor to choose and match abundant microscope accessories. The electronic devices include, but are not limited to, cameras, mobile phones, and other electronic products.

Referring to fig. 16(a) and 16(b), the movement process of the operating microscope of the present invention is as follows: when a doctor observes the teeth of a patient in the initial position state in fig. 16(a), when the observation angle needs to be changed, the doctor holds the handle 35 to rotate the first rotating arm 2, at this time, the lens body 32 only horizontally rotates, the visual field of the lens 323 does not change, the focal length of the microscope does not need to be adjusted again, and the first rotating arm 2 is fixed by screwing the first locking knob 16 after the lens body is rotated in place, so that the working efficiency and the adjustment flexibility are greatly improved, and the rotation precision is ensured. When the doctor needs to adjust the front and back observation angles, the second locking knob 212 is loosened, the handle 35 of the microscope is held to be pulled forwards or pushed backwards, the balance shaft 221 in the second rotating assembly 220 rotates to drive the second rotating arm 31 to rotate, the second rotating arm 31 drives the endoscope body 32 to swing forwards and backwards together, and after the endoscope body is rotated to a proper angle, the endoscope body 32 is fixed by locking the second locking knob 212; when observation angle about needs adjustment, slack third locking knob 322 holds microscope's handle 35 and does the horizontal hunting, and roating seat 3241 among the third runner assembly 324 takes place to rotate, drives connecting seat 3242 and takes place to rotate to drive camera lens 323 and do the horizontal hunting together, after rotating suitable angle, make camera lens 323 fixed through locking third locking knob 322, eyepiece observation subassembly 321 position is motionless this moment, and the doctor need not change two mesh positions.

Referring to fig. 16(B), the center of gravity B of the lens in fig. 16(B) is not on the main optical axis, and since the position of the center of gravity is changed along with the change of the accessory additionally attached to the lens, the lens body is adjusted back and forth through the second rotating assembly, in order to make the operation of the user more comfortable and flexible when the lens swings back and forth, the rotation center a of the second rotating arm is placed on the vertical line of the center of gravity B of the lens, and the rotation center a is as close as possible to the position point of the center of gravity B, so that the pendulum effect in the horizontal state can be obtained, that is, in the natural state, the lens is in the horizontal state, the closer the distance H between the center of gravity B of the lens and the rotation center a of the second rotating arm is, the smaller the moment of gravity when the lens swings back and forth, the smaller the force when the operator rotates back and forth to adjust the angle of the lens, and the adjustment is easy and flexible.

The utility model has the following beneficial effects:

1. the operation microscope provided by the utility model has high operation flexibility, and the main optical axis of the microscope and the axis of the rotating shaft of the first rotating assembly are coaxially designed: when the whole horizontal migration of doctor's position of sitting, the doctor holds the handle and makes microscopical mirror body only need around rotation axis circumferential direction, and the axis of the main optical axis and the pivot of first rotating assembly still keeps coaxial this moment, and the doctor need not readjust the microscope just can the multi-angle see clearly the region of diagnosing.

2. The surgical microscope provided by the utility model has the advantages that the three rotating structures are combined, the flexibility is high: the microscope body swings back and forth along the rotating shaft of the second rotating assembly to realize diagnosis and treatment of the upper position and the lower position of the oral cavity, the position of the ocular lens is adjusted up and down, or when the swing amplitude of the microscope body swings back and forth along the rotating shaft of the second rotating assembly is small, a doctor only needs to finely adjust the head, the eyes of the doctor do not need to leave the eyepiece barrel to realize observation, the operation is more flexible, and meanwhile, the sitting posture of the doctor does not need to change; the lens of the microscope swings left and right along with the rotating shaft of the third rotating assembly, the initial observation position of the eyepiece is kept unchanged, and the sitting posture of a doctor does not need to be changed.

3. The surgical microscope provided by the utility model enlarges the horizontal operation space and distance, and can complete the operation without the need of forward leaning of the upper body of a doctor under a more reasonable ergonomic posture.

4. The operation microscope provided by the utility model has the advantages that the front and back adjustment of the microscope body is carried out through the second rotating assembly, in order to enable the lens to swing back and forth, the operation of a user is more comfortable and can be flexibly adjusted, the rotation center A of the second rotating arm is placed on the vertical line of the gravity center B of the lens, and the rotation center A is close to the position point of the gravity center B as much as possible, so that the pendulum effect in the horizontal state can be obtained, namely, the lens is in the horizontal state in the natural state, the closer the distance H between the gravity center B of the lens and the rotation center A of the second rotating arm is, the smaller the gravity moment of the lens when the lens swings back and forth is, the smaller the force is when the angle of the lens is adjusted by the operator through the front and back rotation, and the adjustment is easy and flexible.

5. According to the operation microscope rotating device provided by the utility model, the first hoop is sleeved on the connecting shaft of the first rotating assembly, and in the prior art, when the first locking knob locks the connecting shaft through the locking rod, the locking rod of the first locking knob directly abuts against the connecting shaft, so that the locking rod of the first locking knob directly contacts with the connecting shaft, the connecting shaft is indented, and the phenomenon that the connecting shaft is locked by the locking rod is insecure is caused.

6. According to the operating microscope rotating device provided by the utility model, in order to balance the torque generated by the lens, the coil spring is additionally arranged on the balance shaft to balance the torque caused by the swinging of the lens, the coil spring applies reverse force when the lens body automatically falls back, the falling force of the lens body is balanced, and the lens body slowly falls back, so that a user can swing the lens more easily without forcibly resisting the torque caused by the swinging of the lens when the operating microscope is used. Meanwhile, the damage to parts is reduced, and the service life is prolonged by 5-10 years. When the user adds accessories to cause the center of gravity of the lens to change, the coil spring torque can also be changed through the worm gear mechanism to rebalance a new lens counterweight.

Referring to fig. 17 to 20, fig. 17 is a schematic structural view of an operating microscope of another embodiment of the present invention at a first viewing angle; FIG. 18 is a schematic view of the surgical microscope of the present invention shown from a second viewing angle in accordance with another embodiment; FIG. 19 is a schematic view of the mirror body of FIG. 18 rotated a first angle; fig. 20 is a schematic view of the mirror body of fig. 18 rotated by a second angle. In this embodiment, the surgical microscope is different from the foregoing embodiments in that the binocular viewing unit 421, the third rotating unit, and the lens 323 in this embodiment rotate as one body. The scope body 3 comprises a second rotating arm 31 and a scope body 32, and the scope body 32 comprises an eyepiece observing assembly 321, a third rotating assembly 324 and a lens 323. The third rotating assembly 424 comprises a rotating ring 4241, a rotating shaft seat 4242 and a fixed seat 3223, the eyepiece observing assembly 321, the fixed seat 3223, the rotating ring 4241 and the rotating shaft seat 4242 are sequentially connected along the horizontal observing direction of an eyepiece, one end of the second rotating arm 31 is rotatably connected to the first rotating arm 2, the other end of the second rotating arm is fixed to the rotating shaft seat 4242, the lens 323 is fixedly connected to the lower side of the rotating ring 4241, and the main optical axis of the lens 323 is coaxial with the axis of the rotating shaft of the first rotating arm 2. In another embodiment, the main optical axis of the lens 323 is substantially coaxial with the axis of the rotation shaft of the first rotation arm 2.

In the horizontal observation direction of the eyepiece, the central rotating shaft of the rotating ring 4241 is coaxial with the central axis of the rotating shaft seat 4242, the rotating ring is configured to perform third swing by taking the central axis of the rotating shaft seat as a rotating shaft, and the rotating ring drives the lens, the fixed seat and the eyepiece observation assembly to perform third swing. Along the direction perpendicular with eyepiece horizontal observation direction, the relative both sides of fixing base are connected with the beam splitter respectively, and the beam splitter can connect electronic product etc..

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. The utility model provides an operation microscope device, its characterized in that includes support (1), first rotation arm (2), first rotation subassembly and the mirror body, first rotation arm (2) include first tubular structure (21) and second tubular structure (22), first rotation subassembly set up in on the support, the one end fixed connection of first tubular structure in on the first rotation subassembly, the other end and the second tubular structure of first tubular structure are integrative to be connected, the second rotation subassembly has been held in the second tubular structure, the mirror body with second rotation subassembly rotatable coupling, the pivot of first rotation subassembly with the central axis of first tubular structure is coaxial, first rotation arm (2) with the central axis of first tubular structure rotates as the pivot, first rotation arm (2) drive the mirror body rotates, the axis (4) of the rotating shaft of the first rotating arm is coaxial with the main optical axis (5) of the mirror body.

2. The surgical microscope device according to claim 1, wherein the second cylindrical structure is located above the mirror body, and the central axis of the first cylindrical structure (21) and the central axis of the second cylindrical structure (22) vertically set the axis of the rotating shaft of the first rotating arm perpendicular to the central axis of the first cylindrical structure.

3. The surgical microscope device according to claim 2, characterized in that the first rotation assembly (10) comprises a connecting rod seat (11), a connecting shaft (211), a combination bearing (13), a needle bearing (14), a first anchor ear (15), a first locking knob (16) and a threaded ring (18),

the connecting rod seat (11) is fixedly connected to the support (1), the connecting rod seat (11) is provided with an inner cavity and a through hole for the first locking knob (16) to pass through, the through hole is communicated with the inner cavity, the through hole is formed in one side of the connecting rod seat, and a boss (12) is formed on the inner cavity wall;

the connecting shaft (211) is accommodated in the inner cavity, two ends of the connecting shaft (211) extend out of the inner cavity, one end of the connecting shaft (211) is fixedly connected to one end of the first cylindrical structure, and a bearing groove is formed in the other end, close to the outer side of the end part, of the connecting shaft (211);

the needle roller bearing (14) is sleeved on the connecting shaft (211), and the needle roller bearing (14) is close to one end of the connecting shaft (211);

the combined bearing (13) is sleeved on the connecting shaft (211) and positioned outside the bearing groove;

the first hoop (15) is sleeved on the connecting shaft (211), the first hoop (15) is located between the needle roller bearing (14) and the combined bearing (13), the first hoop (15) is close to the combined bearing (13), the first hoop (15) is located at the through hole, an accommodating groove is formed between the first hoop (15) and the needle roller bearing (14), the needle roller bearing (14) and the combined bearing (13) are both fixed in the connecting rod seat (11), and the boss (12) is clamped in the accommodating groove;

the first locking knob (16) is configured to abut against or be away from the first hoop (15) from the outer side of the connecting rod seat through a locking rod (19) so as to lock or unlock the first rotating arm, the connecting shaft (211) is configured in the combined bearing (13) and the needle bearing (14) and can rotate by taking the central shaft of the first cylindrical structure (21) as a rotating shaft, the connecting shaft (211) drives the mirror body (3) to rotate, when the connecting shaft (211) is prevented from rotating, the locking rod of the first locking knob (16) abuts against the first hoop (15), and the connecting shaft (211) is locked,

the thread ring (18) is fixedly sleeved at the other end of the connecting shaft (211), and the thread ring (18) is close to the combined bearing (13).

4. The surgical microscope device according to claim 2, wherein the scope body (3) comprises a second rotating arm (31) and a scope body (32), one end of the second rotating arm (31) is rotatably connected with the other end of the first rotating arm (2), the other end of the second rotating arm (31) is fixedly connected with the scope body (32), the second rotating arm (31) is configured to perform a first swing motion by taking the central axis of the second cylindrical structure (22) as a rotating shaft, and the second rotating arm (31) drives the scope body (32) to perform the first swing motion.

5. The surgical microscope device according to claim 4, further comprising a second rotating assembly (220) housed within the second cylindrical structure (22), the second rotating assembly (220) comprising a balance shaft (221), a bearing (222), a worm gear (223), a worm (224), and a coil spring (225) capable of providing a restoring force,

one end of the balance shaft (221) is fixedly connected with one end of the second rotating arm (31), and the axis of the balance shaft (221) is coaxial with the central axis of the two cylindrical structures;

the bearings (222) are respectively sleeved at two ends of the balance shaft (221);

the inner side of the coil spring (225) is fixedly sleeved on the balance shaft (221), and the outer side of the coil spring (225) is fixedly connected with the worm wheel (223);

the worm wheel (223) is sleeved on the balance shaft (221) and located on the outer side of the coil spring (225), the worm (224) is in meshed transmission with the worm wheel (223), the worm (224) is rotated, the worm (224) drives the worm wheel (223) to rotate around the balance shaft (221), the worm wheel (223) drives the outer side of the coil spring (225) to rotate so as to adjust the torque of the coil spring (225),

the balance shaft (221) is configured to drive the second rotating arm (31) to rotate through rotation, the second rotating arm (31) drives the mirror body (32) to swing for generating a first torque, meanwhile, the balance shaft (221) drives the inner side of the coil spring (225) to rotate reversely, the coil spring (225) is stressed for generating a second torque, and the direction of the second torque is opposite to that of the first torque so as to offset the first torque.

6. The surgical microscope device according to claim 4, wherein the scope body (32) comprises an eyepiece viewing assembly (321), a third rotation assembly (324), and a lens (323),

the third rotating assembly (324) comprises a fixed seat (3223), a rotating seat (3241), a connecting seat (3242), a clamping ring (3224) and a second hoop (3222), the other end of the second rotating arm (31) is fixed to the upper side of the fixed seat (3223), and the eyepiece observing assembly (321), the fixed seat (3223) and the rotating seat (3241) are sequentially and rotatably connected along the horizontal observing direction of an eyepiece,

the clamping ring (3224) is sleeved in the fixing seat (3223), the second hoop (3222) is sleeved outside the clamping ring (3224),

the connecting seat (3242) is fixedly connected to the lower side of the rotating seat (3241), the lens (323) is fixedly connected to the connecting seat (3242),

the central axis of fixing base (3223) is unanimous with eyepiece horizontal observation direction, the primary optical axis of camera lens (323) with axis (4) of the pivot of first rotation arm are coaxial, roating seat (3241) be configured with the central axis of fixing base (3223) carries out the second swing as the pivot, roating seat (3241) drives camera lens (323) do the second swing.

7. The surgical microscope device according to claim 6, characterized in that the axis of the rotation shaft of the first rotation arm and the main optical axis (5) of the scope body form an angle of 0-10 ° with the axis (4) of the rotation shaft of the first rotation arm, or the main optical axis (5) of the scope body is parallel to the central axis of the first cylindrical structure and is 0-30mm apart,

the first swing is the forward and backward swing of the lens body (3), the second swing is the left and right swing of the lens (323),

the included angles between the main optical axis of the front-back swinging lens body and the axis of the rotating shaft of the first rotating arm are respectively 0-90 degrees, the included angles between the main optical axis of the left-right swinging lens body and the axis center line of the rotating shaft of the first rotating arm are respectively 0-23 degrees,

in the horizontal observing direction of the ocular lens, the horizontal distance between the central axis of the first cylindrical structure and the observing position of the ocular lens is 180-300 mm.

8. The surgical microscope device according to claim 6, wherein, along a direction perpendicular to a horizontal viewing direction of the eyepiece, electronic accessories are respectively connected to two opposite sides of the fixed seat (3223) through the beam splitter.

9. The surgical microscope device according to claim 6, further comprising a second locking knob (212) and a third locking knob (322),

the second locking knob (212) is arranged on the second cylindrical structure, the second locking knob faces towards a user, the second locking knob (212) is abutted to or far away from a third hoop through a locking rod to press or loosen the third hoop, and the third hoop locks or unlocks the rotation of the second rotating arm (31);

third locking knob (322) set up in on the fixing base, conflict or keep away from through the lock lever that third locking knob (322) are configured second staple bolt (3222) compresses tightly or relaxes the second staple bolt, the second staple bolt is right roating seat (3241) is locked or is released the locking.

10. The surgical microscope device according to claim 2, wherein the scope body (3) comprises a second rotating arm (31) and a scope body (32), the scope body (32) comprises an eyepiece observing component (321), a third rotating component (324) and a lens (323), the third rotating component comprises a rotating ring (4241), a rotating shaft seat (4242) and a fixed seat (3223), the eyepiece observing component (321), the fixed seat (3223), the rotating ring (4241) and the rotating shaft seat (4242) are connected in sequence along the horizontal observing direction of an eyepiece, one end of the second rotating arm is rotatably connected to the first rotating arm, the other end of the second rotating arm is fixed on the rotating shaft seat, the lens is fixedly connected to the lower side of the rotating ring, and the main optical axis of the lens is coaxial with the axis of the rotating shaft of the first rotating arm,

the axial line of the central rotating shaft of the rotating ring is coaxial with the central axial line of the rotating shaft seat along the horizontal observing direction of the ocular lens,

the rotating ring is configured to perform third swing by taking the central axis of the rotating shaft seat as a rotating shaft, the rotating ring drives the lens, the fixing seat and the eyepiece observing component to perform third swing, and the two opposite sides of the fixing seat are respectively connected with the optical splitters along the horizontal observing direction of the eyepiece and the direction vertical to the horizontal observing direction of the eyepiece.

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